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Operational trace gas column observations from GOME-2 on MetOp

Valks, Pieter and Heue, Klaus-Peter and Liu, Song and Lutz, Ronny and Zimmer, Walter and De Smedt, Isabelle and Pinardi, Gaia and Theys, N. and Lerot, Christophe and Van Roozendael, Michel and Beirle, Steffen (2019) Operational trace gas column observations from GOME-2 on MetOp. In: 2019 AMS EUMETSAT Joint Satellite Conference. 2019 AMS EUMETSAT Joint Satellite Conference, 30. Sep. - 04. Oct. 2019, Boston, USA.

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This contribution focuses on the operational GOME-2 trace gas column products developed in the framework of EUMETSAT's Satellite Application Facility on Atmospheric Composition Monitoring (AC-SAF). We present an overview of the retrieval algorithms for ozone, the minor trace gases NO2, SO2 and formaldehyde, as well as water vapour. We show examples of various applications such as ozone, air quality and climate monitoring using observations from the three GOME-2 instruments. Special attention will be given to the latest GOME-2 instrument on MetOp-C, as launched on 7 Nov. 2018. Total ozone and the minor trace gas columns from GOME-2 are retrieved with the latest version 4.9 of the GOME Data Processor (GDP), which uses an optimized Differential Optical Absorption Spectroscopy (DOAS) algorithm, with air mass factor conversions based on the LIDORT model. Improved total and tropospheric NO2 columns are retrieved in the visible wavelength region between 425 and 497 nm. SO2 emissions from volcanic and anthropogenic sources can be measured by GOME-2 using the UV wavelength region around 320 nm. The GOME-2 trace gas columns have reached the operational EUMETSAT product status, and are available to the users in near real time (within two hours after sensing by GOME-2). The use of trace gas observations from the GOME-2 instruments for air quality purposes will be illustrated for Europe, North America and South-East Asia. Furthermore, comparisons of the GOME-2 observations with Sentinel-5P data and ground-based measurements will be shown. Finally, the use of GOME-2 trace-gas column data in the Copernicus Atmosphere Monitoring Service (CAMS) will be presented.

Item URL in elib:https://elib.dlr.de/131703/
Document Type:Conference or Workshop Item (Speech)
Title:Operational trace gas column observations from GOME-2 on MetOp
AuthorsInstitution or Email of AuthorsAuthor's ORCID iD
Valks, PieterPieter.Valks (at) dlr.deUNSPECIFIED
Heue, Klaus-PeterKlaus-Peter.Heue (at) dlr.dehttps://orcid.org/0000-0001-8823-7712
Liu, SongSong.Liu (at) dlr.deUNSPECIFIED
Lutz, RonnyRonny.Lutz (at) dlr.deUNSPECIFIED
Zimmer, Walterwalter.zimmer (at) dlr.deUNSPECIFIED
De Smedt, Isabelleisabelle.desmedt (at) aeronomie.beUNSPECIFIED
Pinardi, Gaiagaia.pinardi (at) aeronomie.beUNSPECIFIED
Theys, N.Nicolas.Theys (at) aeronomie.beUNSPECIFIED
Lerot, ChristopheChristophe.Lerot (at) aeronomie.beUNSPECIFIED
Van Roozendael, Michelmichel.vanroozendael (at) aeronomie.beUNSPECIFIED
Beirle, Steffensteffen.beirle (at) mpic.deUNSPECIFIED
Date:2 October 2019
Journal or Publication Title:2019 AMS EUMETSAT Joint Satellite Conference
Refereed publication:No
Open Access:No
Gold Open Access:No
In ISI Web of Science:No
Keywords:satellite, remote sensing, GOME-2, ozone, air quality, trace gases
Event Title:2019 AMS EUMETSAT Joint Satellite Conference
Event Location:Boston, USA
Event Type:international Conference
Event Dates:30. Sep. - 04. Oct. 2019
HGF - Research field:Aeronautics, Space and Transport
HGF - Program:Space
HGF - Program Themes:Earth Observation
DLR - Research area:Raumfahrt
DLR - Program:R EO - Earth Observation
DLR - Research theme (Project):R - Atmospheric and climate research
Location: Oberpfaffenhofen
Institutes and Institutions:Remote Sensing Technology Institute > Atmospheric Processors
Deposited By: Valks, Dr. Pieter
Deposited On:03 Dec 2019 14:48
Last Modified:03 Dec 2019 14:48

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